ci starts bisection 2026-06-13 14:50:29.50351986 +0000 UTC m=+92919.735278223
bisecting fixing commit since aec2f682d47c54ef434b2d440992626d80b1ebdc
building syzkaller on df15c5f3d9deb74ba8dc519449837e23f3040ac6
ensuring issue is reproducible on original commit aec2f682d47c54ef434b2d440992626d80b1ebdc

testing commit aec2f682d47c54ef434b2d440992626d80b1ebdc gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 7d4e4530cdfd8171fa198f9efd01e28d6320646d20d92b8eb91ef601776564b9
all runs: crashed: lost connection to test machine
representative crash: lost connection to test machine, types: [LOST_CONNECTION]
check whether we can drop unnecessary instrumentation
disabling configs for [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed
testing commit aec2f682d47c54ef434b2d440992626d80b1ebdc gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 7fcea20b2de589872a7ffaacf4ac7431cbb0047236a8ea7e2513364a8d1cfd9d
all runs: crashed: lost connection to test machine
representative crash: lost connection to test machine, types: [LOST_CONNECTION]
the bug reproduces without the instrumentation
disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed
kconfig minimization: base=4140 full=8619 leaves diff=2158
split chunks (needed=false): <2158>
split chunk #0 of len 2158 into 5 parts
testing without sub-chunk 1/5
disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed
testing commit aec2f682d47c54ef434b2d440992626d80b1ebdc gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: cd3a1af38b508f52f8c388878b039a5a7bbe36685a6899180d7d284049030ca9
all runs: crashed: lost connection to test machine
representative crash: lost connection to test machine, types: [LOST_CONNECTION]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep hang memleak], they are not needed
testing commit aec2f682d47c54ef434b2d440992626d80b1ebdc gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 973ab45eb9bd96ad5bf1c868a8e609bac9d5075c60433802e880212471c6092e
all runs: crashed: lost connection to test machine
representative crash: lost connection to test machine, types: [LOST_CONNECTION]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [hang memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
testing commit aec2f682d47c54ef434b2d440992626d80b1ebdc gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 0df7e4212aee2eb73e12a42d6d7a8cbf04a336d932806c1955a73d07e6a511cb
all runs: crashed: lost connection to test machine
representative crash: lost connection to test machine, types: [LOST_CONNECTION]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [bug_or_warning kasan locking atomic_sleep hang memleak ubsan], they are not needed
testing commit aec2f682d47c54ef434b2d440992626d80b1ebdc gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 08eb9f555b4726817a8ebd35ac4adca819741ceb824f75791d6823d3d4d5817a
all runs: crashed: lost connection to test machine
representative crash: lost connection to test machine, types: [LOST_CONNECTION]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed
testing commit aec2f682d47c54ef434b2d440992626d80b1ebdc gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: ebc6dc9e0a90db6da2e00af7014590b0de24b6a636c5e7f04782a03ff6ef1576
all runs: crashed: lost connection to test machine
representative crash: lost connection to test machine, types: [LOST_CONNECTION]
the chunk can be dropped
disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed
testing current HEAD 062871f1371b2e02a272ff5279c6479aff0a37ef
testing commit 062871f1371b2e02a272ff5279c6479aff0a37ef gcc
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
kernel signature: 44919e754ac4c425ac39b5a6ded46ec35f5fb2fa5b1028722ca1837d3190c2bb
all runs: crashed: lost connection to test machine
representative crash: lost connection to test machine, types: [LOST_CONNECTION]
crash still not fixed/happens on the oldest tested release
revisions tested: 8, total time: 4h42m30.868964001s (build: 3h29m18.438675744s, test: 30m9.905716654s)
crash still not fixed or there were kernel test errors
commit msg: Merge tag 'pinctrl-v7.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
crash: lost connection to test machine